#include "Quad.h"
#include <vtkActor.h>
#include <vtkCellArray.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPoints.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkQuad.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>

Quad::Quad(QWidget *parent)
    : QMainWindow(parent)
{
	vtkWidget = new QVTKOpenGLNativeWidget(this);
	this->resize(600, 400);
	this->setCentralWidget(vtkWidget);

	vtkNew<vtkNamedColors> colors;

	// Create four points (must be in counter clockwise order)
	double p0[3] = { 0.0, 0.0, 0.0 };
	double p1[3] = { 1.0, 0.0, 0.0 };
	double p2[3] = { 1.0, 1.0, 0.0 };
	double p3[3] = { 0.0, 1.0, 0.0 };

	// Add the points to a vtkPoints object
	vtkNew<vtkPoints> points;
	points->InsertNextPoint(p0);
	points->InsertNextPoint(p1);
	points->InsertNextPoint(p2);
	points->InsertNextPoint(p3);

	// Create a quad on the four points
	vtkNew<vtkQuad> quad;
	quad->GetPointIds()->SetId(0, 0);
	quad->GetPointIds()->SetId(1, 1);
	quad->GetPointIds()->SetId(2, 2);
	quad->GetPointIds()->SetId(3, 3);

	// Create a cell array to store the quad in
	vtkNew<vtkCellArray> quads;
	quads->InsertNextCell(quad);

	// Create a polydata to store everything in
	vtkNew<vtkPolyData> polydata;

	// Add the points and quads to the dataset
	polydata->SetPoints(points);
	polydata->SetPolys(quads);

	// Setup actor and mapper
	vtkNew<vtkPolyDataMapper> mapper;
	mapper->SetInputData(polydata);

	vtkNew<vtkActor> actor;
	actor->SetMapper(mapper);
	actor->GetProperty()->SetColor(colors->GetColor3d("Silver").GetData());

	// Setup render window, renderer, and interactor
	vtkNew<vtkRenderer> renderer;
	vtkWidget->renderWindow()->AddRenderer(renderer);

	renderer->AddActor(actor);
	renderer->SetBackground(colors->GetColor3d("Salmon").GetData());
}
